本票的出票人必须是单独一个人，而不允许由两个或更多的出票人一起签发。（）

When evacuating a seaman by helicopter lift，which statement is TRUE?（）

A.The vessel should be stopped with the wind dead ahead during the hoisting operation

B.Flags should be flown to provide a visual reference as to the direction of the apparent wind

C.The drop line should be grounded first then secured as close to the hoist point as possible

D.The hoist area should be located as far aft as possible so the pilot will have a visual reference while approaching